20541224695 has 16 divisors (see below), whose sum is σ = 26804832768. Its totient is φ = 15048322560.

The previous prime is 20541224617. The next prime is 20541224699. The reversal of 20541224695 is 59642214502.

It is not a de Polignac number, because 20541224695 - 2¹⁷ = 20541093623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541224699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3262551 + ... + 3268840.

It is an arithmetic number, because the mean of its divisors is an integer number (1675302048).

Almost surely, 2^20541224695 is an apocalyptic number.

20541224695 is a deficient number, since it is larger than the sum of its proper divisors (6263608073).

20541224695 is a wasteful number, since it uses less digits than its factorization.

20541224695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531450.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 20541224695 in words is "twenty billion, five hundred forty-one million, two hundred twenty-four thousand, six hundred ninety-five".